Home / 31,162.32-43,004.52-17,015.76

Finding the Fourth Proportional to 31,162.32, 43,004.52 and 17,015.76

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Solution

The fourth proportional to 31,162.32, 43,004.52 and 17,015.76 is: 23,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.32 : 43,004.52 = 17,015.76 : x
  2. Step 2: Convert to fraction form
    31,162.32/43,004.52 = 17,015.76/x
  3. Step 3: Cross multiply
    31,162.32x = 43,004.52 × 17,015.76
  4. Step 4: Simplify right side
    31,162.32x = 731,754,591.24
  5. Step 5: Solve for x
    x = 731,754,591.24/31,162.32
  6. Step 6: Final answer
    x = 23,482.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.